<input type="radio" name="currency" value="uah" class="uah" checked="checked" /> <span>UAH</span>
<input type="radio" name="currency" value="usd" class="usd" /> <span>USD</span>
<input type="radio" name="currency" value="eur" class="eur" /> <span>EUR</span>
<input type="hidden" name="currency_choice" value="#CURRENCY_CHOICE" class="currency_choice"/>